Acoustics. Determination of sound power levels of noise sources using sound pressure. Survey method using an enveloping measurement surface over a reflecting plane.
NORMA vydaná dňa 30.4.2010
Designation standards: BS EN ISO 3746:2009
Note: NEPLATNÁ
Publication date standards: 30.4.2010
The number of pages: 38
Approximate weight : 114 g (0.25 lbs)
Country: British technical standard
Kategória: Technické normy BS